Finding the Fourth Proportional to 31,473,337.50, 47,207,839.30 and 19,344,672.90
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Solution
The fourth proportional to 31,473,337.50, 47,207,839.30 and 19,344,672.90 is: 29,015,677.46
Step by Step Solution
- Step 1: Write the proportion equation
31,473,337.50 : 47,207,839.30 = 19,344,672.90 : x - Step 2: Convert to fraction form
31,473,337.50/47,207,839.30 = 19,344,672.90/x - Step 3: Cross multiply
31,473,337.50x = 47,207,839.30 × 19,344,672.90 - Step 4: Simplify right side
31,473,337.50x = 913,220,209,525,903.25 - Step 5: Solve for x
x = 913,220,209,525,903.25/31,473,337.50 - Step 6: Final answer
x = 29,015,677.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.